From 666db18c28ea2da32ee0c124e4ce8a00976ecd45 Mon Sep 17 00:00:00 2001
From: Carlo Cabrera <30379873+carlocab@users.noreply.github.com>
Date: Fri, 4 Oct 2024 13:09:17 +0800
Subject: [PATCH] build(cmake): support amalgamated build

This mirrors passing `AMALGAMATED=1` to `make` when using the
`Makefile`. It can be enabled by passing `-DAMALGAMATED=ON` to `cmake`.
---
 lib/CMakeLists.txt | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 7d465419..ce93620e 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -8,9 +8,14 @@ project(tree-sitter
 
 option(BUILD_SHARED_LIBS "Build using shared libraries" ON)
 option(TREE_SITTER_FEATURE_WASM "Enable the Wasm feature" OFF)
+option(AMALGAMATED "Build using an amalgamated source" OFF)
 
-file(GLOB TS_SOURCE_FILES src/*.c)
-list(REMOVE_ITEM TS_SOURCE_FILES "${PROJECT_SOURCE_DIR}/src/lib.c")
+if(AMALGAMATED)
+  set(TS_SOURCE_FILES "${PROJECT_SOURCE_DIR}/src/lib.c")
+else()
+  file(GLOB TS_SOURCE_FILES src/*.c)
+  list(REMOVE_ITEM TS_SOURCE_FILES "${PROJECT_SOURCE_DIR}/src/lib.c")
+endif()
 
 add_library(tree-sitter ${TS_SOURCE_FILES})